Sun Zero Karina Textured Blackout Rod Pocket Curtain Panels offer energy efficiency and a dimensional textured fabric with a rod pocket for easy hanging on a standard curtain rod up to 1.5" in diameter. Sun Zero Thermal Blackout Curtains are laboratory tested to block out most light, offer outside noise reduction by up to 25%, and decrease energy lost through your windows by up to 40%. Comfort is optimized with thermal insulation that helps keep summer heat and winter chill out of your home. Hang in your living room for enhanced privacy, or in your bedroom for a sounder, more uninterrupted sleep. Mount rods at least 2" above the window for maximum light blocking.